Combine session related classes

4 files changed, 391 insertions, 0 deletions

diff --git a/src/main/java/org/traccar/session/ActiveDevice.java b/src/main/java/org/traccar/session/ActiveDevice.java
new file mode 100644
index 000000000..af19ba55b
--- /dev/null
+++ b/src/main/java/org/traccar/session/ActiveDevice.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2015 - 2020 Anton Tananaev (anton@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.session;
+
+import io.netty.channel.Channel;
+import io.netty.handler.codec.http.HttpRequestDecoder;
+import org.traccar.BasePipelineFactory;
+import org.traccar.Protocol;
+import org.traccar.model.Command;
+
+import java.net.SocketAddress;
+
+public class ActiveDevice {
+
+    private final long deviceId;
+    private final Protocol protocol;
+    private final Channel channel;
+    private final SocketAddress remoteAddress;
+    private final boolean supportsLiveCommands;
+
+    public ActiveDevice(long deviceId, Protocol protocol, Channel channel, SocketAddress remoteAddress) {
+        this.deviceId = deviceId;
+        this.protocol = protocol;
+        this.channel = channel;
+        this.remoteAddress = remoteAddress;
+        supportsLiveCommands = BasePipelineFactory.getHandler(channel.pipeline(), HttpRequestDecoder.class) == null;
+    }
+
+    public Channel getChannel() {
+        return channel;
+    }
+
+    public long getDeviceId() {
+        return deviceId;
+    }
+
+    public boolean supportsLiveCommands() {
+        return supportsLiveCommands;
+    }
+
+    public void sendCommand(Command command) {
+        protocol.sendDataCommand(channel, remoteAddress, command);
+    }
+
+}
diff --git a/src/main/java/org/traccar/session/ConnectionManager.java b/src/main/java/org/traccar/session/ConnectionManager.java
new file mode 100644
index 000000000..fbc15b00d
--- /dev/null
+++ b/src/main/java/org/traccar/session/ConnectionManager.java
@@ -0,0 +1,218 @@
+/*
+ * Copyright 2015 - 2022 Anton Tananaev (anton@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.session;
+
+import io.netty.channel.Channel;
+import io.netty.util.Timeout;
+import io.netty.util.Timer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.traccar.Context;
+import org.traccar.Main;
+import org.traccar.Protocol;
+import org.traccar.config.Keys;
+import org.traccar.handler.events.MotionEventHandler;
+import org.traccar.handler.events.OverspeedEventHandler;
+import org.traccar.model.Device;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+import org.traccar.storage.StorageException;
+
+import java.net.SocketAddress;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.TimeUnit;
+
+public class ConnectionManager {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(ConnectionManager.class);
+
+    private final long deviceTimeout;
+    private final boolean updateDeviceState;
+
+    private final Map<Long, ActiveDevice> activeDevices = new ConcurrentHashMap<>();
+    private final Map<Long, Set<UpdateListener>> listeners = new ConcurrentHashMap<>();
+    private final Map<Long, Timeout> timeouts = new ConcurrentHashMap<>();
+
+    private final Timer timer;
+
+    public ConnectionManager() {
+        deviceTimeout = Context.getConfig().getLong(Keys.STATUS_TIMEOUT) * 1000;
+        updateDeviceState = Context.getConfig().getBoolean(Keys.STATUS_UPDATE_DEVICE_STATE);
+        timer = Main.getInjector().getInstance(Timer.class);
+    }
+
+    public void addActiveDevice(long deviceId, Protocol protocol, Channel channel, SocketAddress remoteAddress) {
+        activeDevices.put(deviceId, new ActiveDevice(deviceId, protocol, channel, remoteAddress));
+    }
+
+    public void removeActiveDevice(Channel channel) {
+        for (ActiveDevice activeDevice : activeDevices.values()) {
+            if (activeDevice.getChannel() == channel) {
+                updateDevice(activeDevice.getDeviceId(), Device.STATUS_OFFLINE, null);
+                activeDevices.remove(activeDevice.getDeviceId());
+                break;
+            }
+        }
+    }
+
+    public ActiveDevice getActiveDevice(long deviceId) {
+        return activeDevices.get(deviceId);
+    }
+
+    public void updateDevice(final long deviceId, String status, Date time) {
+        Device device = Context.getIdentityManager().getById(deviceId);
+        if (device == null) {
+            return;
+        }
+
+        String oldStatus = device.getStatus();
+        device.setStatus(status);
+
+        if (!status.equals(oldStatus)) {
+            String eventType;
+            Map<Event, Position> events = new HashMap<>();
+            switch (status) {
+                case Device.STATUS_ONLINE:
+                    eventType = Event.TYPE_DEVICE_ONLINE;
+                    break;
+                case Device.STATUS_UNKNOWN:
+                    eventType = Event.TYPE_DEVICE_UNKNOWN;
+                    if (updateDeviceState) {
+                        events.putAll(updateDeviceState(deviceId));
+                    }
+                    break;
+                default:
+                    eventType = Event.TYPE_DEVICE_OFFLINE;
+                    if (updateDeviceState) {
+                        events.putAll(updateDeviceState(deviceId));
+                    }
+                    break;
+            }
+            events.put(new Event(eventType, deviceId), null);
+            Context.getNotificationManager().updateEvents(events);
+        }
+
+        Timeout timeout = timeouts.remove(deviceId);
+        if (timeout != null) {
+            timeout.cancel();
+        }
+
+        if (time != null) {
+            device.setLastUpdate(time);
+        }
+
+        if (status.equals(Device.STATUS_ONLINE)) {
+            timeouts.put(deviceId, timer.newTimeout(timeout1 -> {
+                if (!timeout1.isCancelled()) {
+                    updateDevice(deviceId, Device.STATUS_UNKNOWN, null);
+                }
+            }, deviceTimeout, TimeUnit.MILLISECONDS));
+        }
+
+        try {
+            Context.getDeviceManager().updateDeviceStatus(device);
+        } catch (StorageException e) {
+            LOGGER.warn("Update device status error", e);
+        }
+
+        updateDevice(device);
+    }
+
+    public Map<Event, Position> updateDeviceState(long deviceId) {
+        DeviceState deviceState = Context.getDeviceManager().getDeviceState(deviceId);
+        Map<Event, Position> result = new HashMap<>();
+
+        Map<Event, Position> event = Main.getInjector()
+                .getInstance(MotionEventHandler.class).updateMotionState(deviceState);
+        if (event != null) {
+            result.putAll(event);
+        }
+
+        event = Main.getInjector().getInstance(OverspeedEventHandler.class)
+                .updateOverspeedState(deviceState, Context.getDeviceManager().
+                        lookupAttributeDouble(deviceId, OverspeedEventHandler.ATTRIBUTE_SPEED_LIMIT, 0, true, false));
+        if (event != null) {
+            result.putAll(event);
+        }
+
+        return result;
+    }
+
+    public synchronized void sendKeepalive() {
+        for (Set<UpdateListener> userListeners : listeners.values()) {
+            for (UpdateListener listener : userListeners) {
+                listener.onKeepalive();
+            }
+        }
+    }
+
+    public synchronized void updateDevice(Device device) {
+        for (long userId : Context.getPermissionsManager().getDeviceUsers(device.getId())) {
+            if (listeners.containsKey(userId)) {
+                for (UpdateListener listener : listeners.get(userId)) {
+                    listener.onUpdateDevice(device);
+                }
+            }
+        }
+    }
+
+    public synchronized void updatePosition(Position position) {
+        long deviceId = position.getDeviceId();
+
+        for (long userId : Context.getPermissionsManager().getDeviceUsers(deviceId)) {
+            if (listeners.containsKey(userId)) {
+                for (UpdateListener listener : listeners.get(userId)) {
+                    listener.onUpdatePosition(position);
+                }
+            }
+        }
+    }
+
+    public synchronized void updateEvent(long userId, Event event) {
+        if (listeners.containsKey(userId)) {
+            for (UpdateListener listener : listeners.get(userId)) {
+                listener.onUpdateEvent(event);
+            }
+        }
+    }
+
+    public interface UpdateListener {
+        void onKeepalive();
+        void onUpdateDevice(Device device);
+        void onUpdatePosition(Position position);
+        void onUpdateEvent(Event event);
+    }
+
+    public synchronized void addListener(long userId, UpdateListener listener) {
+        if (!listeners.containsKey(userId)) {
+            listeners.put(userId, new HashSet<>());
+        }
+        listeners.get(userId).add(listener);
+    }
+
+    public synchronized void removeListener(long userId, UpdateListener listener) {
+        if (!listeners.containsKey(userId)) {
+            listeners.put(userId, new HashSet<>());
+        }
+        listeners.get(userId).remove(listener);
+    }
+
+}
diff --git a/src/main/java/org/traccar/session/DeviceSession.java b/src/main/java/org/traccar/session/DeviceSession.java
new file mode 100644
index 000000000..6fe5b5d57
--- /dev/null
+++ b/src/main/java/org/traccar/session/DeviceSession.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2016 - 2018 Anton Tananaev (anton@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.session;
+
+import java.util.TimeZone;
+
+public class DeviceSession {
+
+    private final long deviceId;
+
+    public DeviceSession(long deviceId) {
+        this.deviceId = deviceId;
+    }
+
+    public long getDeviceId() {
+        return deviceId;
+    }
+
+    private TimeZone timeZone;
+
+    public void setTimeZone(TimeZone timeZone) {
+        this.timeZone = timeZone;
+    }
+
+    public TimeZone getTimeZone() {
+        return timeZone;
+    }
+
+}
diff --git a/src/main/java/org/traccar/session/DeviceState.java b/src/main/java/org/traccar/session/DeviceState.java
new file mode 100644
index 000000000..b7248688a
--- /dev/null
+++ b/src/main/java/org/traccar/session/DeviceState.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.session;
+
+import org.traccar.model.Position;
+
+public class DeviceState {
+
+    private Boolean motionState;
+
+    public void setMotionState(boolean motionState) {
+        this.motionState = motionState;
+    }
+
+    public Boolean getMotionState() {
+        return motionState;
+    }
+
+    private Position motionPosition;
+
+    public void setMotionPosition(Position motionPosition) {
+        this.motionPosition = motionPosition;
+    }
+
+    public Position getMotionPosition() {
+        return motionPosition;
+    }
+
+    private Boolean overspeedState;
+
+    public void setOverspeedState(boolean overspeedState) {
+        this.overspeedState = overspeedState;
+    }
+
+    public Boolean getOverspeedState() {
+        return overspeedState;
+    }
+
+    private Position overspeedPosition;
+
+    public void setOverspeedPosition(Position overspeedPosition) {
+        this.overspeedPosition = overspeedPosition;
+    }
+
+    public Position getOverspeedPosition() {
+        return overspeedPosition;
+    }
+
+    private long overspeedGeofenceId;
+
+    public void setOverspeedGeofenceId(long overspeedGeofenceId) {
+        this.overspeedGeofenceId = overspeedGeofenceId;
+    }
+
+    public long getOverspeedGeofenceId() {
+        return overspeedGeofenceId;
+    }
+
+}